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2962 topics
Science Science is the systematic process of constructing and organizing knowledge about the universe. Thus, science seeks to understand the natural…
Protoplasm: The living mass of the cell specifically, and of organisms generally, is called protoplasm. In simple words: Protoplasm is the living…
Genetic drift is random allele-frequency change, strongest in small populations. Bottlenecks and founder events can reduce variation without improving…
Cost of Production: Cost of production refers to all the expenses incurred in making a product or providing a service. It includes the cost of raw…
Doppler frequency shifts reveal the speed and direction of moving objects in sonar, satellite tracking, radar, astronomy, speed measurement and medical…
Data Communication: Data communication refers to the process of exchanging data or information (through a computer network) between two or more devices or…
Percentage yield from the stoichiometry chapter. Why not 100%: reverse reactions (ester), competing elimination vs substitution, transfers, impure start.…
The peripheral nervous system (PNS) is composed of nerves which link the central nervous system with different body parts.
Monosaccharides: Monosaccharides are true carbohydrates which are either polyhydroxy aldehydes or polyhydroxy ketones. In simple words:…
The pituitary gland is a small, pea-sized endocrine gland attached to the hypothalamus at the base of the brain. It is called the master gland because…
Rounding off is the act of approximating a number to a simpler value that is easier to use, understand, or work with. It involves reducing the number of…
From a point on the circle, exactly one tangent. The radius is the perp from O to the tangent, so it is the shortest path from O to the line.
Pulmonary Circulation: The pulmonary circulation is the portion of the circulatory system that carries deoxygenated blood from the right ventricle of the…
Robotics is a branch of technology that deals with the design, construction, operation, and application of robots. A robot is a programmable machine…
Coal high CO2 per energy often. Methane less, but CH4 leak is itself a greenhouse gas (named). Trees as a slogan sink. Efficiency: useful energy / input. SO2…
11-2i5 = 115 - (25)i. Do not leave 3+4i1+2i unsimplified. Combine like terms so there is one real part and one i part.
Sound in air is a longitudinal mechanical wave.
Occurrence of Bacteria: Bacteria are found in the widest range of habitats on Earth, from extreme environments to the bodies of other organisms, due to…
Carbohydrates: Carbohydrates are organic biomolecules or their derivatives in which all the carbon atoms are hydrated, having the generalized
The reference angle is the acute angle to the x-axis. Quadrant II: 180 - theta. Quadrant III: theta - 180. Quadrant IV: 360 - theta. ASTC (or CAST): All sine…
C=O shorter/stronger than C-O, still polar. No H-bond donor unless you count the aldehyde H weakly; boiling points lower than alcohols of similar size (no…
Viruses: Viruses are pathogens which cause diseases in animals and plants. They are not cells; they are not capable of independent replication. They cannot…
Application of Blockchain in Education refers to the use of blockchain technology to securely store, verify, and share academic records such as degrees,…
Catalyst: A substance which accelerates a chemical reaction but remains chemically unchanged at the end of the reaction. Catalysis: The phenomenon in…
